MARK J STOUT (MD) – Transplant Surgery Physician, NPI 1851386551
Transplant Surgery Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
70 CARDIAC SURGERY in WI
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Provider Addresses for MARK J STOUT (MD)
UW Health University Hospital, 600, Highland Avenue, Madison, Dane County, Wisconsin, 53792, United States
MADISON, WI 537922119
Phone: (608) 263-1530
Type: Location
7974, UW Health Court, Discovery Springs, Middleton, Dane County, Wisconsin, 53562, United States
MIDDLETON, WI 535625531
Phone:
Type: Mailing
725 AMERICAN AVE
WAUKESHA, WI 531885031
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $799.
Total Amount is formed as General ($799) + Research ($0) + Ownership ($0) = $799.
Last reported payment date: 2024-09-17 • Largest payer in this snapshot: Abbott Laboratories ($332).
Total Amount
$799
General + Research + Ownership
Payments
8
Total payment records
General Amount
$799
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $332 |
| HELIOS CARDIO INC | $148 |
| Edwards Lifesciences Corporation | $145 |
| Actelion Pharmaceuticals US, Inc. | $125 |
| Medtronic, Inc. | $29 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2014-06-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20140610001515 | I | Cardiac Surgery | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 33533 | Coronary artery bypass using artery graft, 1 graft | 14 | 14 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 53792)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| THORACIC SURGERY | IN | 33533 | Heart artery bypass to repair one artery | 11 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Radiation Oncology | WI | |
| Clinical Psychologist | WI | |
| Nurse Practitioner | WI | |
| - | WI | |
| Family Practice | WI | |
| Nurse Practitioner | WI | |
| - | WI | |
| Clinical Social Worker | WI |
Reviews
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